Centaurea sibirica Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Psephellus species Psephellus declinatus Name Homonyms Centaurea sibirica L. Centaurea sibirica M.Bieb., 1808 Centaurea sibirica Willd. Centaurea sibirica Willd. ex Ledeb.